Mepụta:tubes na GB/T 6479 ga-arụ ọrụ site na-ekpo ọkụ akpọrepu ma ọ bụ oyi sere.
Ọgwụgwọ okpomọkụ:a ga-emepụta tubes site na okpomọkụ na-emeso, WT≤30mm normalizing & tempering, WT> 30mm quenching & tempering ma ọ bụ normalizing & tempering.
Nyocha & Nnwale:Ntụle ihe mejupụtara kemịkalụ, nnwale erughị ala, ule flattening, nnwale ọkụ, nnwale mmetụta, nyocha macroscopic, inclusions na-abụghị ọla, NDT, nyocha elu na nlele nha.
Ogologo:4000mm;6000mm;9000mm;12000mm;were gabazie.
Ogologo kachasị emepụtara:30 mita, nakwa U ekwe, finning, studded usoro nwere ike inye.
Nhọrọ:gbawara agbawa n'elu n'èzí iji wepụ ọnụ ọgụgụ igwe igwe, mee ka elu matte agba;Nchacha elu dị ka ọrụ nkwadebe a na-arụ maka nhazi ọzọ, dịka ọmụmaatụ ịkụ azụ.
OD:Φ50-325mm.
WT:3-55mm.
Nkwenye nke OD:± 0.75%.
Nkwenye nke ọkpụrụkpụ mgbidi:-10%——+12.5%.
Gburugburu nke ime na mpụta dayameta:80% nke nnabata nke dayameta dị n'èzí agafebeghị.
Ọchịchọ nke ihu ọgwụgwụ:≤2mm.
Izi ezi:1mm/1m.